The UL-approved HelioFuse is a molded in-line fuse that helps to protect photovoltaic (PV) systems from ground fault current damage. Rugged and easy to install, it has a weather-tight housing that prevents moisture from getting into the fuse. It is designed for rapid removal and replacement. It is fully intermateable with industry-standard PV connectors, IP68-rated and operates at a maximum of 1000 VDC with a 20 A rating and a 10,000 A current withstand rating.